<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:997fccb8-d26b-4335-ac88-4baf1cb7c67e,g:d0b743d7-90e7-45b0-bcf3-3405e92a6a24-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://buzzfeed.com/role/Cover" xlink:type="simple" xlink:href="bzfd-20250313.xsd#Cover"/>
  <link:definitionLink xlink:role="http://buzzfeed.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_d71e1221-6459-4163-ab8c-2bb5b5847ddd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_us-gaap_StatementTable_d71e1221-6459-4163-ab8c-2bb5b5847ddd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_383dafe8-e076-4a22-913d-95ade672c669" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_d71e1221-6459-4163-ab8c-2bb5b5847ddd" xlink:to="loc_us-gaap_StatementClassOfStockAxis_383dafe8-e076-4a22-913d-95ade672c669" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_383dafe8-e076-4a22-913d-95ade672c669_default" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_383dafe8-e076-4a22-913d-95ade672c669" xlink:to="loc_us-gaap_ClassOfStockDomain_383dafe8-e076-4a22-913d-95ade672c669_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_a26ef666-9374-4664-b763-3c5a2d3b79d4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_383dafe8-e076-4a22-913d-95ade672c669" xlink:to="loc_us-gaap_ClassOfStockDomain_a26ef666-9374-4664-b763-3c5a2d3b79d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bzfd_ClassCommonStock0.0001ParValuePerShareMember_39f99b64-beb8-408d-a1ca-04abb93e6d1f" xlink:href="bzfd-20250313.xsd#bzfd_ClassCommonStock0.0001ParValuePerShareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_a26ef666-9374-4664-b763-3c5a2d3b79d4" xlink:to="loc_bzfd_ClassCommonStock0.0001ParValuePerShareMember_39f99b64-beb8-408d-a1ca-04abb93e6d1f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bzfd_RedeemableWarrantsEachWholeWarrantExercisableForOneShareOfClassCommonStockAtExercisePriceOf11.50PerShareMember_60cbfc02-8ec5-4050-a3a6-1472c788e474" xlink:href="bzfd-20250313.xsd#bzfd_RedeemableWarrantsEachWholeWarrantExercisableForOneShareOfClassCommonStockAtExercisePriceOf11.50PerShareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_a26ef666-9374-4664-b763-3c5a2d3b79d4" xlink:to="loc_bzfd_RedeemableWarrantsEachWholeWarrantExercisableForOneShareOfClassCommonStockAtExercisePriceOf11.50PerShareMember_60cbfc02-8ec5-4050-a3a6-1472c788e474" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_57d9d602-3b13-4190-9776-f5e22079f09c" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_DocumentType_57d9d602-3b13-4190-9776-f5e22079f09c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_8903e786-c979-47d3-b496-8949c5ede47d" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_DocumentPeriodEndDate_8903e786-c979-47d3-b496-8949c5ede47d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_9cb5f679-7bb3-4dde-befe-470461f39740" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_EntityRegistrantName_9cb5f679-7bb3-4dde-befe-470461f39740" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_329bfe84-1a52-48f3-8245-cb425d222ff6" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_EntityIncorporationStateCountryCode_329bfe84-1a52-48f3-8245-cb425d222ff6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_f345429f-19f4-431d-8246-43f1c40b21cf" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_EntityFileNumber_f345429f-19f4-431d-8246-43f1c40b21cf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_babf481a-807e-4001-895e-1b1537e8abc2" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_EntityTaxIdentificationNumber_babf481a-807e-4001-895e-1b1537e8abc2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_71bce8a9-c4e5-405c-ae70-7263c9b6171d" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_EntityAddressAddressLine1_71bce8a9-c4e5-405c-ae70-7263c9b6171d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_04daa032-0250-4853-b18b-e6b13f4a8352" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_EntityAddressCityOrTown_04daa032-0250-4853-b18b-e6b13f4a8352" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_aa073fb8-fc0d-4dfc-a630-f976de15bdfc" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_EntityAddressStateOrProvince_aa073fb8-fc0d-4dfc-a630-f976de15bdfc" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_dce33f63-cae2-46aa-b0fa-e9d355e85e54" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_EntityAddressPostalZipCode_dce33f63-cae2-46aa-b0fa-e9d355e85e54" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_41bb9616-842a-43fd-9747-0804ba8c7a76" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_CityAreaCode_41bb9616-842a-43fd-9747-0804ba8c7a76" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_4dace03c-37b9-41b3-a551-ef2e0e62c618" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_LocalPhoneNumber_4dace03c-37b9-41b3-a551-ef2e0e62c618" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_467a7820-d89a-422c-a099-b4acd2f97219" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_WrittenCommunications_467a7820-d89a-422c-a099-b4acd2f97219" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_feea8502-c2de-4dc9-8afc-bed3da833134" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_SolicitingMaterial_feea8502-c2de-4dc9-8afc-bed3da833134" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_012086de-5ea8-4513-877e-308195f37fc6" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_PreCommencementTenderOffer_012086de-5ea8-4513-877e-308195f37fc6" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_db5d2dbd-8fc2-4e02-a7ec-d219a11c3ee0" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_db5d2dbd-8fc2-4e02-a7ec-d219a11c3ee0" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_0c9b401b-883d-430a-98c5-779a05c765cb" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_Security12bTitle_0c9b401b-883d-430a-98c5-779a05c765cb" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_cd9589a5-5e15-4991-9055-1d761279d83f" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_TradingSymbol_cd9589a5-5e15-4991-9055-1d761279d83f" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_228f5cc2-2186-4c6b-8a73-386f1c2471e6" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_SecurityExchangeName_228f5cc2-2186-4c6b-8a73-386f1c2471e6" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_57caf264-0490-43ac-a510-723e2e75c61e" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_EntityEmergingGrowthCompany_57caf264-0490-43ac-a510-723e2e75c61e" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_9c6f83de-8356-4686-ac40-41df57279eaa" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityExTransitionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_EntityExTransitionPeriod_9c6f83de-8356-4686-ac40-41df57279eaa" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_efaf2251-358f-416e-bfc1-a51bc35a085f" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_EntityCentralIndexKey_efaf2251-358f-416e-bfc1-a51bc35a085f" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_83ea834d-edce-4bbe-a523-530fccd4f922" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_AmendmentFlag_83ea834d-edce-4bbe-a523-530fccd4f922" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_8d239c58-819f-48af-b846-fef6420a4510" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3fc7f389-7cbc-42ee-82a5-e3303f4fab7b" xlink:to="loc_dei_CurrentFiscalYearEndDate_8d239c58-819f-48af-b846-fef6420a4510" xlink:type="arc" order="23"/>
  </link:definitionLink>
</link:linkbase>
